2026 Top 10 Large Diameter Heat Insulated Steel Pipe Manufacturers in China

Hengshui Aoyang Thermal Insulation Materials Co., Ltd

Hengshui Aoyang Thermal Insulation Materials Co., Ltd. is registered at No. 16 Guangming Street, Zhaoqiao Town, Wuyi County, Hengshui City, Hebei Province. The registration authority is the Market Supervision Administration of Wuyi County, Hengshui City, and the legal representative is Zhang Jialing. Its business scope includes the manufacturing of thermal insulation and sound insulation materials. Production and sales: high-density polyethylene jacket, polyurethane insulation board, polyurethane insulation pipe, insulation pipe fittings, polyurethane tile shell, polyurethane composite material, steel sleeve steel insulation pipe. Sales: Glass wool products, chemical products (including rubber and plastic products), aluminum silicate products, rock wool products, steel pipes and fittings, thermal pipeline accessories, hardware and electromechanical products. Undertake anti-corrosion and insulation projects. (Except for hazardous chemicals such as flammable, explosive, and easily producible drugs, which are restricted or prohibited by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large Diameter Heat Insulated Steel Pipe, Polyurethane Pipe Shell, Polyurethane Insulation Board

Cangzhou Guangyi Pipeline Manufacturing Co., Ltd

Cangzhou Guangyi Pipeline Manufacturing Co., Ltd., with its registered address in Yemaoli Village, Wangshu Town, Yanshan County, is registered with the Yanshan County Market Supervision and Administration Bureau. Its legal representative is He Kangle, and its business scope includes general projects such as building decoration, manufacturing of plumbing pipe parts and other metal products for construction; Manufacturing of metal fittings for construction; Manufacturing of metal products for safety and firefighting purposes; Metal surface treatment and heat treatment processing; Steel rolling processing; Sales of insulation materials; Sales of steel reinforcement products for construction; Sales of non-ferrous metal alloys. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Large Diameter Heat Insulated Steel Pipe, Plastic-Coated Steel Pipe, Anti-Corrosion Steel Pipe

Hebei Rengang Pipeline Manufacturing Co., Ltd

Hebei Rengang Pipeline Manufacturing Co., Ltd., with its registered address located 50 meters east of Changjin Village intersection in Mengdian Township, Yanshan County, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Wang Xiuhua, and its business scope includes the production of spiral steel pipes, straight seam steel pipes, seamless steel pipes, oil casing pipes, wear-resistant pipes, polyurethane insulation pipes, anti-corrosion steel pipes, plastic lined steel pipes, water supply and drainage composite steel pipes, plastic coated composite pipes, steel sleeve steam insulation pipes, non-toxic drinking water anti-corrosion steel pipes, epoxy coal tar anti-corrosion steel pipes, heavy-duty bimetallic bridge protection pipes, hot-dip plastic cable threading protection pipes, fire protection coated steel pipes, epoxy resin composite steel pipes for coal mines, pipeline pipes, bent pipes, alloy pipes, stainless steel pipes. Pipes, fittings, metal products, anti-corrosion and insulation materials, pipelines and pipeline accessories, sales of hardware products, pipes, plates Wire, steel, valves. (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently according to law).. Core products: Large Diameter Heat Insulated Steel Pipe, Plastic-Coated Steel Pipe, Lined Plastic Steel Pipe

Langfang Wanfu Thermal Insulation Materials Co., Ltd

Langfang Wanfu Thermal Insulation Materials Co., Ltd., with its registered address in Zhaojiawu Village, Dacheng County, Langfang City, is registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City. The legal representative is Xu Weiqing, and the business scope includes general projects: manufacturing of thermal insulation and sound insulation materials; Sales of insulation and soundproofing materials; Manufacturing of plastic products; Sales of plastic products; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Installation services for ordinary mechanical equipment; Manufacturing of asbestos cement products; Sales of asbestos cement products; Manufacturing of asbestos products; Sales of asbestos products; Manufacturing of non-metallic mineral products; Sales of non-metallic minerals and products; Sales of insulation materials; Manufacturing of lightweight building materials; Sales of lightweight building materials; Sales of building waterproofing membrane products; Sales of coatings (excluding hazardous chemicals); Retail of hardware products; Import and export of goods; Technology import and export (except for projects that require approval according to law, independently conducting business activities that are not prohibited or restricted by laws and regulations) License projects: construction projects; Power supply business; Power generation business, transmission business, and power supply (distribution) business; Installation, maintenance, and testing of power transmission, supply, and receiving facilities (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses). Core products: Large Diameter Heat Insulated Steel Pipe, Polyurethane Pipe Shell, Pert Insulation Pipe

Cangzhou Tianxiangcheng Pipeline Equipment Co., Ltd

Cangzhou Tianxiangcheng Pipeline Equipment Co., Ltd., with its registered address in Xiliu Village, Yanshan Town, Yanshan County, is registered with the Market Supervision Administration of Yanshan County, and its legal representative is Liu Xiaohui. Its business scope includes the sale of steel pipes, petroleum casings, anti-corrosion steel pipes, insulation pipes, pipeline pipes, alloy pipes, stainless steel pipes, bent pipes, pipe fittings, anti-corrosion and insulation materials, pipeline equipment and accessories, pipes, plates, wires, profiles, steel, and machine tool accessories; And the import and export business of the above products.. Core products: Large Diameter Heat Insulated Steel Pipe, Three-Way, Elbow

Hebei De'en Thermal Insulation Materials Co., Ltd

Hebei De'en Thermal Insulation Materials Co., Ltd., with its registered address in Daluo Village, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City. The legal representative is Xu Zhentao, and its business scope includes processing and sales of polyurethane prefabricated buried insulation pipes, steel sheathed steam buried insulation pipes, high-density polyethylene outer protective pipes, fiberglass insulation pipes, plastic sheathed steel, steel sheathed steel insulation pipes and insulation fittings, hot spring water insulation pipes, PPR cold and hot water insulation pipes, air conditioning water freezing system insulation pipes, and high-temperature steam composite insulation pipes; Sales: Polyurethane products, rock wool products, glass wool products, rubber products, aluminum silicate products, sealing gaskets, and packing; Undertake the construction of municipal thermal pipelines and anti-corrosion insulation projects. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large Diameter Heat Insulated Steel Pipe, , Steel Sleeve Steel Steam Insulation Pipe

Cangzhou Tuocheng Pipeline Equipment Co., Ltd

Cangzhou Tuocheng Pipeline Equipment Co., Ltd. is registered in Puwacheng Park, Yanshan Economic Development Zone, Hebei Province. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Xie Yuxin. The business scope includes the sales of steel pipes, fittings, polyurethane insulation pipes, anti-corrosion steel pipes, coated steel pipes, 3PE anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, steel sleeve steel steam insulation pipes, hot-dip plastic cable threading protection pipes, epoxy coal tar anti-corrosion steel pipes, non-toxic drinking water anti-corrosion steel pipes, resin composite steel pipes for coal mines, stainless steel pipes, pipeline pipes, alloy pipes, anti-corrosion insulation materials, pipes and pipeline accessories, elbows, flanges, plates, wires, profiles, power plant accessories, valves and pressure vessels, as well as the construction and installation of pipelines and anti-corrosion and insulation engineering. Design and construction of heating pipeline network. (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently according to law). Core products: Large Diameter Heat Insulated Steel Pipe, Seamless Steel Pipe, Spiral Steel Pipe